Lift Hill A Vertical Loop Second C Hill Horizontal E Loop Stopping Distance H B D F G 1. There is 100 meters of track between points A and B. A roller coaster of mass 4500 kg starts from rest at point A. One third of the total energy is lost by the time the car reaches point B. If the speed of the car is to be 20 m/s, (a) what is the total energy lost? (b) what is the total energy lost per meter of track? (c) what must be the height at point B?